Sainte-Foy-Sillery-Cap-Rouge, Quebec City Pollen Forecast - Today, Tomorrow and the Week Ahead
Pollen Today
Today (10 October) pollen in Sainte-Foy-Sillery-Cap-Rouge, Quebec City is low; mold (alternaria) and mold (cladosporium) are low.
Pollen Tomorrow
Tomorrow (11 October 2026) mold (alternaria) remains low, mold (cladosporium) remains low, mugwort at low levels, ragweed at moderate levels.
7-Day Trend
Over the next week mugwort, ragweed, mold (alternaria), and mold (cladosporium) will decrease; grass will remain stable.
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Pollen Risk
Today - 10 October
| Pollen species | Level | Value |
|---|---|---|
| Alder (Alnus) | None | 0/100 |
| Birch (Betula) | None | 0/100 |
| Hazel (Corylus) | None | 0/100 |
| Cypress (Cupressaceae) | None | 0/100 |
| Grass (Poaceae) | None | 0/100 |
| Willow (Salicaceae) | None | 0/100 |
| Mugwort (Artemisia) | None | 0/100 |
| Ragweed (Ambrosia) | None | 0/100 |
| Mold (Alternaria) | Low | 1/100 |
| Mold (Cladosporium) | Low | 8/100 |
Tomorrow - 11 October
| Pollen species | Level | Value | 7-Day Trend |
|---|---|---|---|
| Alder (Alnus) | None | 0/100 | — |
| Birch (Betula) | None | 0/100 | — |
| Hazel (Corylus) | None | 0/100 | — |
| Cypress (Cupressaceae) | None | 0/100 | — |
| Grass (Poaceae) | None | 0/100 | |
| Willow (Salicaceae) | None | 0/100 | — |
| Mugwort (Artemisia) | Low | 25/100 | |
| Ragweed (Ambrosia) | Moderate | 33/100 | |
| Mold (Alternaria) | Low | 5/100 | |
| Mold (Cladosporium) | Low | 18/100 |
Local Environmental Conditions
Around 46% of the area near this location in Quebec City is woodland, with a good deal of built-up land and some open grassland. The allergenic tree mix nearby includes maple, birch and oak. Grasses and weeds such as ragweed round out the local mix. Ragweed is unusually common here compared with most other locations, making it a particularly important local pollen source.
Maple, birch and oak lead the season in mid-spring, bringing the main tree pollen peak. Grasses take over in early summer, with temperatures around 15°C, and their pollen lingers into late summer. The most intense period comes from late summer into mid-fall, when ragweed is in flower. Mold spores join in through summer, when damp, warm spells let them thrive.
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Frequently Asked Questions About Pollen in Quebec
Is pollen high in Quebec City right now?
Currently, there is no significant pollen in Quebec City.
Will pollen levels change in Quebec City tomorrow?
On 11 October 2026, pollen conditions in Quebec City will be different from today, with artemisia at low levels, ambrosia at moderate levels
Is pollen expected to decrease in Quebec City this week?
According to the five-day outlook, artemisia and ambrosia pollen levels are expected to gradually decrease, suggesting improving conditions later in the week.
Which pollen types are currently active in Quebec City?
On 10 October 2026, there are no significant pollen types in Quebec City.
When is pollen season in Quebec City?
How often is the Quebec City pollen forecast updated?
The Quebec City pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Quebec City come from nearby or far away?
Studies show that most pollen exposure (often 70–90%) comes from nearby sources, such as local trees and vegetation. A good pollen forecast therefore depends on accurately representing local vegetation. Pollen can travel long distances, but this usually matters only early in the season or during specific wind events.
Are pollen levels in Quebec City based on measurements or forecasts?
Pollen data is often misunderstood. Most "pollen levels" are not real-time measurements, but forecasts.
Direct pollen measurements are typically delayed by 1-2 days because they require manual analysis. To show current conditions in Quebec City, modern forecasts combine recent measurements, weather data, and information about local vegetation.
This allows us to estimate pollen levels for today and the coming days, not just report the past.
Airmine’s atmospheric monitoring platform was developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team, using satellite and Earth observation technologies to improve emissions monitoring.
Understanding the Scale
The 0–100 pollen scores represent risk levels, not direct pollen measurements. Higher scores indicate higher risk.
Pollen
| None | 0 | No or negligible risk of exposure. Pollen/mold exposure is expected to be minimal. |
| Low | 0-25 | Low risk of exposure. Small amounts of pollen or mold spores may be present. |
| Moderate | 25-50 | Moderate risk of exposure. Pollen/mold exposure is expected to be noticeable. |
| High | 50-75 | High risk of exposure. Elevated pollen/mold exposure is expected. |
| Very High | 75-100 | Very high risk of exposure. Pollen/mold exposure is expected to be at or near its highest levels. |
Get More in the Airmine Pollen app
Get 15-day pollen forecasts with morning, afternoon and evening detail, plus 5-day air quality forecasts. Explore interactive pollen risk maps, estimated pollen season start, route profiles and a symptoms diary.
Features and forecast availability vary by region. Currently covering Europe, the contiguous US, southern Canada, South Africa, Australia, Indonesia (Java & Bali), Brazil, Paraguay, Uruguay and the Buenos Aires area.
Developed with support from the European Space Agency (ESA) Business Applications and Space Solutions (BASS).
